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Our team of consultants, engineers, project managers, and professionals deliver the highest caliber electrical, communications, and technology solutions.

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A Top 10 Construction Leader of 2023

 

Tom Mascaro, President of SystemOne LLC, has been honored as a Top 10 Construction Leader of 2023 by Industry Era Magazine. “SystemOne, LLC, is a premier electrical and communications contractor serving all of Connecticut and Massachusetts. As the company enters its 24th year in business, Tom Mascaro, president and owner, continues to guide his team and company to pivot and adapt based on their client’s needs. SystemOne evolves with ever-changing technology, staying ahead with the most up-to-date products and innovative solutions.”

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Electrical, Communications, and Technology Solutions

SystemOne evolves with ever-changing technology, staying ahead with the most up-to-date products and innovative solutions. Relationships with strategic partners and product manufacturers allow us to provide a complete turnkey solution for any application.

Specializing in the commercial and industrial, educational, healthcare/life sciences, and government/public works markets, our project managers design and engineer the systems, and our technicians ensure that the vital services stay operational, but also perform at the highest efficiency levels possible. We also have an extensive national account list to perform moves, adds and changes, national roll-out projects, new construction, and remodel work. Our clients expect and receive top-quality service 24 hours a day on any system we install or service.
voice data audio-visual

Voice / Data / AV / Paging

Voice / Data / AV / Paging

Design, installation, and maintenance services for voice and data networks.

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fiber optic network

Fiber Optics

Fiber Optics

Certified Corning NPI installer specializing in all types of fiber installations.

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Emergency Responder Radio Communication

ERCES / BDA Systems

ERCES / BDA Systems

Engineering, installation, and maintenance of ERCES and BDA systems for healthcare, education, commercial, industrial, and government markets.

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Sound Masking

Sound Masking Systems

Sound Masking Systems

Cutting-edge sound masking technology to protect speech privacy, reduce noise distractions, and increase office comfort.

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commercial electrical fire security

Electrical, Fire Alarm, Surveillance, and Security Solutions

Electrical, Fire Alarm, Surveillance, and Security Solutions

Comprehensive solutions for all commercial electrical, fire alarm, surveillance, and security needs.

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SystemOne, LLC

SystemOne, LLC is a premier electrical and communications contractor serving all of Connecticut and Massachusetts. Our 15+ employees consist of licensed electricians, licensed voice and data technicians, project managers, estimators, and office personnel.

With more than 24 years of experience, our team is dedicated to providing the highest quality installations and building long-term customer relationships. We take pride in quality installations, on-time scheduling, keeping within budgets, and backing our work with extended warranties.

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Featured Project

UConn Engineering
& Science Building

Featured Project

100 College Street

Featured Project

Baystate Health Systems

Featured Project

UConn Gant Science Complex

We have used SystemOne as our go-to partner for over 15 years for projects containing elements of Voice/Data Cabling and Fiber Optic installations. Their professionalism, quality of work, and ability to meet tight timetables has made it easy to say they are my recommended partner.

DL

Nutmeg Technologies

I have enjoyed working with SystemOne over the years. They have always gone above and beyond to go the extra mile to accommodate us. SystemOne is always willing to do what’s asked of them. I appreciate the quality and timeliness of the work they do.

I would highly recommend them to anyone no matter the size of the work needed. They are very professional and always deliver great outcomes.

JM

Hartford HealthCare
SystemOne
SystemOne
SystemOne
SystemOne
electrical and communications contractor
electrical and communications contractor
electrical and communications contractor
electrical and communications contractor